Mild Traumatic brain injury (mTBI) is a signature wound in military personnel, and repetitive mTBI has been linked to age-related neurodegenerative diseases that affect white matter (WM) in the brain 1).
Periventricular white matter lesion
see Leukoencephalopathy.
0 No lesions (including symmetrical, well-defined caps or bands)
1 Focal lesions
2 Beginning confluence of lesions
3 Diffuse involvement of the entire region, with or without involvement of U fibers
0 No lesions
1 1 focal lesion (≥5 mm)
2 >1 focal lesion
3 Confluent lesions